Data spanning the past 90 days through February 19, 2026 reveals that Avista's three principal insider shareholders consist of Other Dennis P Vermillion (163.87K shares), Director Scott L Morris (114.41K shares), Evp Retired Mark T Thies (91.74K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Dennis P Vermillion | 163,871 | 10 Mar, 2025 | |
| Scott L Morris | 114,409 | 04 Dec, 2025 | |
| Mark T Thies | Evp Retired | 91,741 | 21 Feb, 2024 |
| Heather Lynn Rosentrater | President & Ceo | 76,051 | 10 Feb, 2026 |
| Kevin J Christie | Svp And Cfo & Treasurer | 44,184 | 10 Feb, 2026 |
| Jason R Thackston | Senior Vice President | 43,236 | 10 Feb, 2026 |
| Heidi B Stanley | 36,993 | 04 Sep, 2025 | |
| Donald C Burke | 32,504 | 04 Sep, 2025 | |
| Scott Harlan Maw | 29,847 | 04 Sep, 2025 | |
| Ryan L Krasselt | Vice President | 29,741 | 10 Feb, 2026 |
| Rebecca A Klein | 27,690 | 03 Oct, 2025 | |
| Gregory Curtis Hesler | Sr V President/Corp Secretary | 23,721 | 10 Feb, 2026 |
| Bryan Alden Cox | Senior Vice President | 20,158 | 10 Feb, 2026 |
| Janet D. Widmann | 19,246 | 12 Dec, 2025 | |
| Latisha Diane Hill | Vice President | 18,190 | 10 Feb, 2026 |
| Jeffry L. Philipps | 17,395 | 04 Sep, 2025 | |
| Edward David Schlect | 17,231 | 12 Jan, 2023 | |
| Sena M Kwawu | 14,877 | 04 Sep, 2025 | |
| James M Kensok | Vice President Retired | 14,135 | 21 Feb, 2024 |
| Scott J Kinney | Vice President | 13,824 | 10 Feb, 2026 |
| Julie A. Bentz | 13,270 | 04 Sep, 2025 | |
| Kevin B Jacobsen | 12,335 | 04 Sep, 2025 | |
| Kristianne Blake | 12,323 | 02 Sep, 2022 | |
| Joshua D Diluciano | Vice President | 12,157 | 10 Feb, 2026 |
| Wayne O Manuel | Senior Vice President | 11,302 | 10 Feb, 2026 |
| David J Meyer | 4,309 | 02 Feb, 2026 | |
| Alexis G. Alexander | Vice President | 4,307 | 10 Feb, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 09 Feb, 2026 | Jason R Thackston | Common Stock - Restricted Shares Grant 2026 | A | 3,147 | $40.99 | 43,236 | D | A |
| 09 Feb, 2026 | Kevin J Christie | Common Stock - Restricted Shares Grant 2026 | A | 5,342 | $40.99 | 44,184 | D | A |
| 09 Feb, 2026 | Ryan L Krasselt | Common Stock - Restricted Shares Grant 2026 | A | 1,536 | $40.99 | 29,741 | D | A |
| 09 Feb, 2026 | Heather Lynn Rosentrater | Common Stock - Restricted Shares Grant 2026 | A | 21,223 | $40.99 | 76,051 | D | A |
| 09 Feb, 2026 | Bryan Alden Cox | Common Stock - Restricted Shares Grant 2026 | A | 2,488 | $40.99 | 10,169 | D | A |
| 09 Feb, 2026 | Gregory Curtis Hesler | Common Stock - Restricted Shares Grant 2026 | A | 3,147 | $40.99 | 23,721 | D | A |
| 09 Feb, 2026 | Latisha Diane Hill | Common Stock - Restricted Shares Grant 2026 | A | 1,646 | $40.99 | 18,190 | D | A |
| 09 Feb, 2026 | Joshua D Diluciano | Common Stock - Restricted Shares Grant 2026 | A | 1,756 | $40.99 | 12,157 | D | A |
| 09 Feb, 2026 | Scott J Kinney | Common Stock - Restricted Shares Grant 2026 | A | 2,048 | $40.99 | 12,567 | D | A |
| 09 Feb, 2026 | Wayne O Manuel | Common Stock - Restricted Shares Grant 2026 | A | 2,488 | $40.99 | 11,302 | D | A |
| 09 Feb, 2026 | Alexis G. Alexander | Common Stock - Restricted Shares Grant 2026 | A | 1,464 | $40.99 | 4,307 | D | A |
| 02 Feb, 2026 | David J Meyer | Common Stock | D | 417 | $41.41 | 4,309 | D | F |
| 06 Jan, 2026 | David J Meyer | Common Stock | D | 933 | $38.95 | 7,500 | D | F |
| 06 Jan, 2026 | Jason R Thackston | Common Stock | D | 1,352 | $38.95 | 40,089 | D | F |
| 06 Jan, 2026 | Kevin J Christie | Common Stock | D | 1,711 | $38.95 | 38,841 | D | F |
| 06 Jan, 2026 | Ryan L Krasselt | Common Stock | D | 933 | $38.95 | 28,205 | D | F |
| 06 Jan, 2026 | Heather Lynn Rosentrater | Common Stock | D | 2,983 | $38.95 | 54,828 | D | F |
| 06 Jan, 2026 | Bryan Alden Cox | Common Stock | D | 1,131 | $38.95 | 7,681 | D | F |
| 06 Jan, 2026 | Gregory Curtis Hesler | Common Stock | D | 1,265 | $38.95 | 20,574 | D | F |
| 06 Jan, 2026 | Latisha Diane Hill | Common Stock | D | 978 | $38.95 | 16,544 | D | F |